Method of making decorated glass.



J. D. KYLE. METHOD OF MAKING DEGORATED GLASS APPLIOATION FILED NOV. 15, 1906. V Patented Marl 9, 1909.

J m m if/Gm WITNESSES.

UNITED STATES PATENT OFFICE. y

JOSEPH D. KYLE, OF SWISSVA-LE, PENNSYLVANIA, ASSIGNOR OF ONE-HALF TO SARAH E. KYLE, OF SWISSVALE, PENNSYLVANIA, AND ONE-FOURTH TOC. A. WARMCASTLE AND ONE-FOURTH TO H. S. RICHARDS, OF PITTSBURG, PENNSYLVANIA.

METHOD OF MAKING DECORATEID GLASS.

Specification of Letters Patent.

Patented March 9, 1909.

} To all whom it may concern:

- resident of Swissvale, in the county of Allegheny and State of Pennsylvania, have invented a new and useful Improvement in Methods of Making Decorated Glass; and I do hereby declare the following to be a full, clear, and exact description there'of.

My invention relates to a method of makingrdecorated lass.

he object o my invention is to provide a method of securing the raised lines which form the outlines of the design upon the glass in such manner that they are substantially part and parcel of the glass and will not be liable to crack or spall off when sub'ected go changes in temperature or the action of rost. To these ends my invention consists, generally stated, in depositin the raised lines upon the surface of the g ass composed ofa plastic substance fusible with glass, and then firing the glass to fuse said lines with the glass and make them substantially a constituent part thereof. The colors may be applied to the areas inclosed by said lines before the firing so as to be burned in at the same time or the colors may be burned in afterward if desired.

plan view of a ecorated glass pane made in accordance with my invention; Fig. 2 is a cross-section of a panel before it is fired; Fig. 3 is asection of a suitable kiln; and Fig. 4 is a cross section of the finished glass.

In practicing my invention I take iron ore, such as red hematite, and reduce it to owdered form. Before using the iron ore I prefer to expel the gases therefrom so as to revent the formation of bubbles or cracks w en the firing operation takes place as hereinafter set forth. Accordingly, I take the owdered ore and placid it on a tray or sla insert it into a suitab e furnace or firing kiln heated to a sufficient temperature to burn out the gases contained in the ore. This iron ore so treated and in powdered form is mixed with suitable quantities of glass-flux and ground asbestos. To be more exact as to roportions of the above ingredients, I ma e up the com osition of one-half ironore, one-fourth g ass-flux, and one-fourth round gasbestos. This composition is redueed the plastic condition by adding fat-oil I p constituent In the accom anymg drawing F1 ure 1 1s a frost or col and turpentine with a smallportion of arabic and oil of 'copaiba, the gum and oil having the effect of preventing the composition from drying out and making it more elastic before it is applied to the glass. I rnav employ fat-oil of turpentine if desired.

he composition when brought to the proper consistency is ready to be ap lied to 'the surface of the glass and to do tl iis conveniently it may be introduced into a bulb or sack which is connected up to an ordinary baker's tube. By squeezing the bulb or sack the plastic composition is discharged from the tube in a continuous line of proper dimensions. The outlines of the design are drawn on the glass panel 2 by depositing the plastic material to form the raised lines 3. After the lines have beendrawn'in this manner the colors are applied to the surface of the glass in the spaces inclosed by the lines. Glass colors are employed for this urpose so as to Withstand the firing towhicli the glass is subjected. The glass with the lines formed thereon and the colors a plied thereto is then introduced into a suitab e oven or kiln 4 and fired. The temperature of the kiln is such as to cause a fusion between the lines 3 and the glass, so that the lines become substantially a art of the glass, as shown in Fig. 4. I At t e same time the glass colors are fired and become permanently fixed on the surface of the glass. If desired the lines may be fired before the colors are a plied and afterward the colors a plied and the glass subjected to a second ring. The design in colors mi ht first be applied to the glass by stencil im icating the position of the lilies, and the lines then deposited by following the outlines as indicated by the stencil. This would do away with the necessity of applying the colors by hand after the lines are formed and would cheapen the' product. When the lines and colors are finally fixed by the firing they will be found to be so ermanent in character as not to be affected by sudden changes of tern erature or when exposed as in the case 0 windows to the inclemency of the weather. By the fusion of the lines with the glass there is no liability of theerackin or spalling of the lines due to (I and the glass retains its original beauty of design and color.

By the cm loyment of a composition for the lines which will withstand the intense signs where colors are not employed.

heat of the firing I obtain a fusion which gives the lines their ermanency.

I do not wish to imit myself to'the exact [method herein described,- as it may be varied or the ingredients chan ed and equivalents substituted therefor wit out do arting from the spirit of my invention. urthermore, m invention is not confined to glass to be co ored, as the lines may be deposited in imitation of leaded glass as well as other de- What I claim is:

1. The process of making decorated lass, consisting in de ositing raised lines of p astic material on a g ass surface, firing the glass,- and fusing the lines therewith.

2. The process of making decorated fifass, consisting in de ositing raised lines-of p astic material on a g'ass surface, applyin colors to the glass, firing the glass, and fusing the lines therewith. I

3. The process of making decorated glass consisting in depositing raised lines of a fusible material on said glass, and then firing same to cause fusion.

4. The process of making decorated lass, consisting n de oslting raised lines of astic material on a g ass surface, and creating-fusion between said lines and said lass.

5. As a new roduct of manu acture, glass. having raised ines thereon of a difierent material fusedwith the glass.

6. 'As a new product of manufacture, glass having raised lines thereon containing iron orefused with the glass.

In testimon D. KYLE have ereunto set my hand.

ROBERT C. TOTTEN, JOHN F. WILL.

whereof, I the said JOSEPH 

